At 5 P. M. the reading on the dry bulb is 12°C and the reading on the wet bulb is 11°C. Determine the new relative humidity.

At stp, what is the volume of 1 mole of co2?

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)